behind closed doors, the president reportedly told connecticut's governor that friday was the single most difficult day of his presidency. the tears flowed freely as the people of newtown, connecticut, remembered those gunned down at sandy hook elementary school. >> we gather here in memory of 20 beautiful children and six remarkable adults. >> reporter: president obama said he brought with him the love and prayers of the nation. >> i am very mindful that mere words cannot match the depths of your sorrow, nor can they heal your wounded hearts. >> reporter: the next painful step in the grieving process begins today when the first two funerals will be held here in newtown. >> they're innocent babies and that's what makes it almost incomprehensible. >> reporter: police believe the carnage could have been much worse. police say adam lanza had enough bullets to kill just about every child in the school if given enough time. >> i could pass the magazine for multiple magazines for the rifle and handguns. >> reporter: adam lanza ducked into a room when the police were arriving. and newtown s